6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Ian has 14 boxes of paper and divides them evenly between 4 coworkers. How many whole boxes did each coworker get?

A) 2	B) 2.5
C) 3	D) 3.5

Answer & Explanation Answer: C) 3

Explanation:

Given number of boxes = 14

Number of workers = 4

Now, number of whole boxes per worker = 14/4 = 3.5

Hence, number of whole boxes per each coworker = 3

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28 34742

Q:

Find the next number in the number series?

6, 6, 9, 18, 45, ?

A) 87	B) 99.75
C) 115.5	D) 135

Answer & Explanation Answer: D) 135

Explanation:

The given number series is 6, 6, 9, 18, 45, ?

Here the series follows a pattern that,

6

6 x 1 = 6

6 x 1.5 = 9

9 x 2 = 18

18 x 2.5 = 45

45 x 3 = 135

Hence, the next number in the given number series is 135.

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Q:

The difference between the place value and the face value of 7 in the numeral 967452 is

A) 6393	B) 5831
C) 6993	D) 6339

Answer & Explanation Answer: C) 6993

Explanation:

(Place value of 7)-(face value of 7)
=7000-7=6993.

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106 34688

Q:

If the pice of sugar rises from Rs. 6 per kg to Rs. 7.50 per kg, a person, to have no increase in his expenditure on sugar, will have to reduce his consumpion of sugar by

A) 15	B) 20
C) 25	D) 30

Answer & Explanation Answer: B) 20

Explanation:

Let original consumption = 100 kg and new consumption = x kg,

So, 100 * 6 = x * 7.50 => x = 80kg

Reduction in consumption = 20%.

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Filed Under: Percentage

108 34665

Q:

Find the factors of $(x^{2} - x - 132)$ ?

A) x - 11x - 12	B) (x + 12)(x - 11)
C) (x + 11)(x + 12)	D) (x - 12)(x + 11)

Answer & Explanation Answer: D) (x - 12)(x + 11)

Explanation:

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Q:

The diagonal of a rectangle is sqrt(41) cm. and its area is 20 sq. cm. The perimeter of the rectangle must be:

A) 9 cm	B) 18 cm
C) 20 cm	D) 41 cm

Answer & Explanation Answer: B) 18 cm

Explanation:

$l^{2} + b^{2}$ = ${(d i a g o n a l)}^{2}$ =40

Also, lb=20

${(l + b)}^{2} = l^{2} + b^{2} + 2 l b$ = 41 + 40 =81

(l + b) = 9.

Perimeter = 2(l + b) = 18 cm.

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48 34552

Q:

What should come in place of question mark (?) in the following question?

115 ÷ 5 + 12 × 6 = ? + 64 ÷ 4 - 35

A) 95	B) 136
C) 102	D) 74

Answer & Explanation Answer:

Explanation:

As per the BODMAS rule, the priority in which the operations should be done is:

Priority wise operations	Symbol
B-Bracket	()
O-of	of
D-Division	/,÷
M-Multiplication	*,x
A-Addition	+
S-Subtraction	-

Note: Addition and subtraction can be treated on same priority (from left to right) when they are in consecutive order.

(115/5) + 12 × 6 = ? + (64/4) – 35 23 + 72 = ? + 16 – 35 95 = ? - 19 95+19 = ? ? = 114

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Q:

Find the missing number in the given number series?

514, 470, ?, 415, 404

A) 441	B) 437
C) 426	D) 420

Answer & Explanation Answer: B) 437

Explanation:

Given number series is 514 470 ? 415 404

Here the pattern it follows is

514

514 - 44 = 470

470 - 33 = 437

437 - 22 = 415

415 - 11 = 404

Hence, the missing number in the given number series is 437.

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